Spelling suggestions: "subject:"plant polyphenols"" "subject:"slant polyphenols""
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Polyphenol-protein precipitationWarminski, Edward Edmund January 1992 (has links)
No description available.
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Characterization of flavonoid antioxidants in Vigna sinensis seeds.January 2003 (has links)
Chiang Yee-Ting. / Thesis submitted in: December 2002. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2003. / Includes bibliographical references (leaves 116-130). / Abstracts in English and Chinese. / Acknowledgements --- p.i / Abstract --- p.ii / List of Abbreviations --- p.iv / List of Tables --- p.v / List of Figures --- p.vi / Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- "Free radical, oxidative stress and antioxidants" --- p.2 / Chapter 1.1.1 --- Free radicals and reactive oxygen species (ROS) --- p.2 / Chapter 1.1.2 --- Oxidative stress and human diseases --- p.3 / Chapter 1.1.3 --- Dietary antioxidants --- p.5 / Chapter 1.1.4 --- Synthetic antioxidants --- p.5 / Chapter 1.2 --- Flavonoids ´ؤ polyphenolic compounds in plants --- p.8 / Chapter 1.2.1 --- Sources and biosynthesis of flavonoids --- p.8 / Chapter 1.2.2 --- Classification and dietary occurrence of flavonoids --- p.11 / Chapter 1.2.3 --- Functions of flavonoids in plants --- p.15 / Chapter 1.2.4 --- Effects of flavonoids in mammals --- p.16 / Chapter 1.2.5 --- Therapeutic application of flavonoids --- p.17 / Chapter 1.2.6 --- Absorption and metabolism of flavonoids --- p.26 / Chapter 1.3 --- Plant of interest --- p.28 / Chapter 1.4 --- Method used to characterize flaovnoid antioxidants in Vigna sinensis seeds --- p.30 / Chapter 1.5 --- Method used to evaluate the antioxidant activity --- p.31 / Chapter 1.5.1 --- p-carotene bleaching method --- p.31 / Chapter 1.5.2 --- "a,a-diphenyl- --- p.32 / Chapter 1.5.3 --- Single cell gel electrophoresis assay (Comet assay) --- p.32 / Chapter 1.6 --- Research objectives --- p.34 / Chapter 2 --- Materials and Methods --- p.35 / Chapter 2.1 --- Plant materials and chemicals --- p.35 / Chapter 2.2 --- Sample preparation --- p.36 / Chapter 2.2.1 --- Methanolic extraction method --- p.36 / Chapter 2.2.2 --- Acidic methanolic extraction method --- p.36 / Chapter 2.2.3 --- Optimization of extraction time --- p.37 / Chapter 2.3 --- Standards preparation --- p.37 / Chapter 2.4 --- Characterization of flavonoid antioxidants in V. sinensis seed extracts --- p.38 / Chapter 2.5 --- Evaluation of antioxidant activity --- p.39 / Chapter 2.6 --- Determination of free radical scavenging ability --- p.41 / Chapter 2.7 --- Evaluation of the protective effects on DNA damage --- p.42 / Chapter 2.7.1 --- Preparation of reagents --- p.42 / Chapter 2.7.2 --- Blood sample --- p.43 / Chapter 2.7.3 --- Hydrogen peroxide treatment --- p.43 / Chapter 2.7.3.1 --- Co-incubation system --- p.43 / Chapter 2.7.3.2 --- Pre-incubation system --- p.43 / Chapter 2.7.4 --- Establishment of optimal assay conditions --- p.44 / Chapter 2.7.4.1 --- Hydrogen peroxide concentration --- p.44 / Chapter 2.7.4.2 --- Sample volume --- p.44 / Chapter 2.7.4.3 --- Incubation time --- p.44 / Chapter 2.7.4.4 --- Hydrogen peroxide treatment time --- p.44 / Chapter 2.7.5 --- Ethidium bromide-acridine orange cell viability determination --- p.45 / Chapter 2.7.6 --- Slide preparation --- p.45 / Chapter 2.7.7 --- Comet assay --- p.45 / Chapter 2.7.8 --- Quantification of DNA damage --- p.47 / Chapter 2.7.9 --- Statistical analysis --- p.47 / Chapter 3 --- Results / Chapter 3.1 --- Comparison on the free radical scavenging abilities on two different V. sinensis seed extracts --- p.48 / Chapter 3.1.1 --- Optimal extraction time of methanolic extraction method --- p.48 / Chapter 3.1.2 --- Optimal extraction time of acidic methanolic extraction method --- p.48 / Chapter 3.1.3 --- pH values of two different V. sinensis seed extracts --- p.49 / Chapter 3.1.4 --- Free radical scavenging abilities of the two different V. sinensis seed extracts --- p.49 / Chapter 3.2 --- Determination of the stability of the V. sinensis seed extracts --- p.50 / Chapter 3.2.1 --- Effects of storage on the free radical scavenging ability of methanolic V. sinensis seed extract --- p.50 / Chapter 3.2.2 --- Effects of storage on the free radical scavenging ability of acidic V. sinensis seed extract --- p.50 / Chapter 3.2.3 --- Effect of storage on the antioxidant activity of methanolic V.sinensis seed extract --- p.51 / Chapter 3.2.4 --- Effect of storage on the antioxidant activity of acidic V. sinensis seed extract --- p.52 / Chapter 3.3 --- Identification of the flavonoid antioxidants in the acidic V. sinensis seed extract --- p.53 / Chapter 3.4 --- Evaluation of free radical scavenging abilitiesof identified flavonoids using the DPPH radical scavenging method --- p.54 / Chapter 3.5 --- Evaluation of antioxidant activities of the identified flavonoids using the β-carotene bleaching assay --- p.56 / Chapter 3.6 --- Evaluation of protective effects on DNA damage using the Comet assay --- p.57 / Chapter 3.6.1 --- Optimal comet assay conditions --- p.57 / Chapter 3.6.1.1 --- Hydrogen peroxide concentration --- p.57 / Chapter 3.6.1.2 --- Sample volume --- p.58 / Chapter 3.6.1.3 --- Incubation time with the seed extract in the co-incubation system --- p.58 / Chapter 3.6.1.4 --- Hydrogen peroxide treatment time --- p.58 / Chapter 3.6.1.5 --- Incubation time with the seed extract in the pre-incubation system --- p.59 / Chapter 3.6.2 --- Protective effects of the V. sinensis seed extracts and phenolic compounds --- p.59 / Chapter 3.6.2.1 --- Protective effects in pre-incubation system --- p.59 / Chapter 3.6.2.2 --- Protective effects in co-incubation system --- p.60 / Chapter 3.6.3 --- Protective effects of the identified flavonoids in acidic V.sinensis seed extracts and phenolic compounds --- p.60 / Chapter 3.6.3.1 --- Protective effects in pre-incubation system --- p.60 / Chapter 3.6.3.1.1 --- At 0.5 mM concentration --- p.60 / Chapter 3.6.3.1.2 --- At 1 mM concentration --- p.61 / Chapter 3.6.3.2 --- Protective effects in co-incubation system --- p.62 / Chapter 3.6.3.2.1 --- At 0.5 mM concentration --- p.62 / Chapter 3.6.3.2.2 --- At 1 mM concentration --- p.62 / Chapter 4 --- Discussion --- p.100 / Chapter 4.1 --- Comparison on the two different extraction methods --- p.100 / Chapter 4.1.1 --- Methanolic extraction and acidic methanolic extraction --- p.100 / Chapter 4.1.2 --- Free radical scavenging abilities on the two different V sinensis seed extracts --- p.100 / Chapter 4.2 --- Stabilities of two different V. sinensis seed extracts --- p.101 / Chapter 4.2.1 --- Change in antioxidant activity during storage --- p.101 / Chapter 4.2.2 --- Comparison on the stabilities of the extracts assayed under different conditions --- p.102 / Chapter 4.3 --- Identification of flavonoid antioxidants in the acidic methanolic V sinensis seed extract --- p.103 / Chapter 4.4 --- Antioxidant activities of the individual identified flavonoid antioxidants --- p.104 / Chapter 4.4.1 --- Antioxidant activities of the identified flavonoid antioxidants and the selected phenolic compounds in hydrophilic assay system --- p.106 / Chapter 4.4.2 --- Antioxidant activities of the identified flavonoid antioxidants and the selected phenolic compounds in lipophilic assay system --- p.107 / Chapter 4.5 --- Evaluation of protective effects on DNA damage using Comet assay --- p.109 / Chapter 4.5.1 --- Optimal conditions in Comet assay --- p.109 / Chapter 4.5.1.1 --- Effect of hydrogen peroxide concentration --- p.109 / Chapter 4.5.1.2 --- Effect of sample volume --- p.109 / Chapter 4.5.1.3 --- Effect of hydrogen treatment time --- p.110 / Chapter 4.5.1.4 --- Pre-incubation and co-incubation systems --- p.110 / Chapter 4.5.2 --- Protective effects of two different V. sinensis seed extracts and six phenolic compounds --- p.111 / Chapter 4.5.3 --- Protective effects of the identified flavonoids and the phenolic compounds --- p.112 / Chapter 4.6 --- Health beneficial properties of V. sinensis seeds --- p.113 / Chapter 5 --- Conclusion --- p.114 / References --- p.116
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Analysis of proanthocyanidin A2 and its presence in various commercial products /Koerner, Jayma L. January 1900 (has links)
Thesis (M.S.)--Oregon State University, 2011. / Printout. Includes bibliographical references (leaves 75-80). Also available on the World Wide Web.
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Bitterness modifying properties of hop polyphenolsMcLaughlin, Ian R. 20 September 2005 (has links)
Graduation date: 2006
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Trapping of methylglyoxal by dietary compounds in vitroTan, Di. January 2007 (has links)
Thesis (Ph. D.)--Rutgers University, 2007. / "Graduate Program in Food Science." Includes bibliographical references (p. 84-90).
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Sugarcane polyphenol oxidase /Bucheli, Carolyn. January 1900 (has links) (PDF)
Thesis (Ph. D.)--University of Adelaide, Dept. of Horticulture, Viticulture and Oenology, 1995. / Copy of author's previously published article inserted. Includes bibliographical references (leaves 180-195).
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Select Procyanidins induce gammadelta T cell activation and proliferationHolderness, Jeffrey Scott. January 2008 (has links) (PDF)
Thesis (MS)--Montana State University--Bozeman, 2008. / Typescript. Chairperson, Graduate Committee: Mark Jutila. Non-Latin script record Includes bibliographical references (leaves 105-131).
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The blueberry : composition, anthocyanins, and polyphenolics /Lee, Jungmin. January 2004 (has links)
Thesis (Ph. D.)--Oregon State University, 2004. / Printout. Includes bibliographical references. Also available via the World Wide Web.
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Amelioration of oxidative stress in human endothelial cells by caffeic acid phenethyl ester (CAPE) and fluorinated derivatives (FCAPES) and pharmacokinetic characterization of CAPE and FCAPE in ratsWang, Xinyu, January 1900 (has links)
Thesis (Ph. D.)--University of Texas at Austin, 2007. / Vita. Includes bibliographical references.
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Breeding tomato for increased fruit phenolics /Boches, Peter. January 1900 (has links)
Thesis (Ph. D.)--Oregon State University, 2009. / Printout. Includes bibliographical references (leaves 130-141). Also available on the World Wide Web.
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